:root {
  --bg: #07090C;
  --surface: #0E1218;
  --card: #131922;
  --raised: #1A2230;
  --ink: #E8EDF2;
  --mute: #9AA7B4;
  --dim: #5C6773;
  --line: #1E2632;
  --sage: #6BBF8A;
  --red: #E85D5D;
  --steel: #4A90C4;
  --amber: #F59E0B;
  --pvc: #C8569B;
  --max: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --pin-h: 100vh;
  --line-x: rgba(255, 255, 255, 0.12);
  --deep: #050709;
  color-scheme: dark;
}

@supports (height: 100svh) {
  :root { --pin-h: 100svh; }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  background: var(--bg);
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--steel);
  outline-offset: 3px;
}
section[tabindex="-1"]:focus { outline: none; }

h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--raised); color: var(--ink); padding: 10px 14px; border-radius: 4px;
  text-decoration: none;
}
.skip:focus { top: 12px; }

/* ---------- Top bar ---------- */

.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(7, 9, 12, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.bar-in {
  max-width: var(--max); margin: 0 auto; padding: 12px var(--gutter);
  display: flex; align-items: center; gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 500; text-decoration: none; letter-spacing: -0.01em;
}
.brand.small { font-size: 15px; margin-bottom: 6px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--sage); box-shadow: 0 0 12px var(--sage); }
.chapters { display: flex; gap: 18px; margin-left: auto; }
.chapters a { color: var(--mute); text-decoration: none; font-size: 14px; }
.chapters a:hover { color: var(--ink); }
.cta {
  font-size: 14px; text-decoration: none; padding: 7px 14px;
  border: 1px solid var(--sage); color: var(--sage); border-radius: 4px;
}
.lang-switch { display: inline-flex; border: 1px solid var(--line-x); border-radius: 4px; overflow: hidden; }
.lang-switch a {
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; letter-spacing: 0.06em;
  color: var(--mute); text-decoration: none; padding: 6px 10px;
}
.lang-switch a:hover { color: var(--ink); }
.lang-switch a[aria-current="true"] { color: var(--bg); background: var(--sage); }
@media (max-width: 860px) {
  .chapters { display: none; }
  .lang-switch { margin-left: auto; }
  .cta { margin-left: 0; }
  .bar-in { gap: 12px; }
}

/* ---------- Shared type ---------- */

.eyebrow, .kicker {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--sage); font-weight: 400;
}
.lead { color: var(--mute); font-size: 19px; max-width: 62ch; }
.micro { color: var(--dim); font-size: 13px; }
.micro a { color: var(--mute); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: var(--pin-h);
  max-width: var(--max);
  margin: 0 auto;
  padding: calc(64px + clamp(20px, 5vh, 56px)) var(--gutter) clamp(32px, 6vh, 64px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: center;
  gap: clamp(28px, 4vw, 48px);
}
@media (min-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    column-gap: clamp(40px, 5vw, 72px);
  }
}
.hero-copy { display: grid; gap: clamp(14px, 2.2vh, 22px); max-width: 640px; min-width: 0; }
.hero-title {
  font-size: clamp(36px, 4.2vw + 12px, 72px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 500;
  overflow-wrap: break-word;
}
/* Word wrappers size to the text; only they clip, with room for descenders. */
.hero-title .w {
  display: inline-block;
  overflow: clip;
  vertical-align: top;
  line-height: 1.05;
  padding: 0.04em 0 0.14em;
  margin: -0.04em 0 -0.14em;
}
.hero-title .w > span { display: inline-block; }
.hero-title.is-split .w > span {
  animation: word-in 1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  animation-delay: calc(var(--i, 0) * 60ms + 80ms);
}
@keyframes word-in {
  from { transform: translateY(115%); }
  to { transform: none; }
}
.hero-claim { color: var(--mute); font-size: clamp(16px, 0.6vw + 13px, 20px); max-width: 56ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.hero-cta .btn { margin-top: 0; }
.hero-micro { margin-top: 2px; }

.packshot {
  position: relative;
  margin: 0 auto;
  width: 100%;
  max-width: 880px;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
  will-change: transform;
}
@media (min-width: 1024px) {
  .packshot { aspect-ratio: 5 / 4; max-height: calc(var(--pin-h) - 180px); }
}
@media (max-width: 768px) {
  .packshot { aspect-ratio: 4 / 5; max-height: 68vh; max-height: 68svh; }
}
.packshot-pic, .packshot img { display: block; width: 100%; height: 100%; object-fit: cover; }
.packshot-ph { position: absolute; inset: 0; width: 100%; height: 100%; display: none; }
.packshot.is-missing .packshot-ph { display: block; }
.packshot.is-missing .packshot-pic { display: none; }
.packshot:has(img.is-loaded) .packshot-ph { display: none; }
.pre-anim .hero-title { opacity: 0; }

/* ---------- Pinned scenes ---------- */

.scene { position: relative; }
.scene-stage {
  position: relative;
  height: var(--pin-h);
  width: 100%;
  overflow: clip;
  background: var(--bg);
}
.scene-canvas {
  position: absolute; inset: 0;
  display: block; width: 100%; height: 100%;
}
.scene:not(.scene-trace) .scene-stage::after {
  content: ''; position: absolute; inset: 45% 0 0 0; z-index: 1; pointer-events: none;
  background: linear-gradient(to bottom, rgba(7, 9, 12, 0), rgba(7, 9, 12, 0.88));
}
.scene-copy {
  position: absolute; z-index: 2; left: var(--gutter); right: var(--gutter); bottom: clamp(32px, 8vh, 96px);
  max-width: 640px; display: grid; gap: 12px;
  text-shadow: 0 1px 24px rgba(7, 9, 12, 0.9);
}
.scene-title { font-size: clamp(28px, 4vw, 48px); line-height: 1.08; }
.scene-caption { color: var(--mute); font-size: 18px; }

/* Scene 4 */
.scene-trace .scene-stage { display: grid; place-items: center; }
.trace-backdrop { position: absolute; inset: 0; z-index: 0; }
.trace-backdrop img { display: block; width: 100%; height: 100%; object-fit: cover; }
.trace-wrap {
  position: relative; z-index: 1;
  width: min(var(--max), 100% - 2 * var(--gutter));
  display: grid; gap: 18px;
}
.trace-paper {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px;
}
.trace-svg { display: block; width: 100%; height: auto; overflow: visible; }
.trace-path { vector-effect: non-scaling-stroke; }
.trace-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.trace-stats { display: flex; gap: 32px; margin: 0; }
.trace-stats div { display: grid; gap: 2px; }
.trace-stats dt {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.1em; color: var(--dim);
}
.trace-stats dd {
  margin: 0; font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 26px; color: var(--ink); font-variant-numeric: tabular-nums;
}
.trace-stats small { font-size: 12px; color: var(--mute); }
.play {
  font: inherit; font-size: 15px; cursor: pointer;
  background: var(--sage); color: var(--bg); border: 0; border-radius: 4px;
  padding: 10px 18px; font-weight: 500;
}
.play:hover { background: #7FCC9C; }
.trace-eventlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; min-height: 0; }
.trace-eventlist li {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 4px; padding: 10px 14px; font-size: 14px;
}
.trace-eventlist li::before { content: ''; width: 8px; height: 8px; background: var(--pvc); flex: none; }
.trace-eventlist .t { font-family: 'JetBrains Mono', ui-monospace, monospace; color: var(--mute); }
.trace-eventlist .s { color: var(--mute); }
.trace-eventlist .tag {
  margin-left: auto; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--amber); border: 1px solid rgba(245, 158, 11, 0.4); padding: 2px 8px; border-radius: 4px;
}
.trace-caption { color: var(--dim); font-size: 14px; }

/* ---------- Content blocks ---------- */

.block { padding: clamp(80px, 12vw, 160px) var(--gutter); border-top: 1px solid var(--line); }
.block.alt { background: var(--surface); }
.block-in { max-width: var(--max); margin: 0 auto; display: grid; gap: 20px; }
.block-in.two { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 64px; align-items: start; }
.block-in.two > div, .block-in.two > ul { display: grid; gap: 16px; }
.block-in.center { justify-items: center; text-align: center; }
.block-in.center .lead { margin: 0 auto; }
.block h2 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.1; max-width: 22ch; }
.block p { color: var(--mute); }
@media (max-width: 760px) {
  .block-in.two { grid-template-columns: 1fr; }
}

.cards {
  list-style: none; margin: 16px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: 24px; display: grid; gap: 10px; align-content: start;
}
.card h3 { font-size: 18px; }
.card p { font-size: 15px; }

.plain { list-style: none; margin: 0; padding: 0; }
.plain li { color: var(--mute); padding: 14px 0; border-bottom: 1px solid var(--line); }
.plain li::before { content: ''; display: inline-block; width: 6px; height: 6px; background: var(--sage); margin-right: 12px; vertical-align: middle; }

.btn {
  display: inline-block; margin-top: 12px; padding: 14px 24px; border-radius: 4px;
  background: var(--sage); color: var(--bg); text-decoration: none; font-weight: 500;
  font: inherit; font-weight: 500; line-height: 1.2; border: 1px solid var(--sage); cursor: pointer;
}
.btn:hover { background: #7FCC9C; border-color: #7FCC9C; }
.btn.ghost { background: transparent; color: var(--sage); }
.btn.ghost:hover { background: rgba(107, 191, 138, 0.1); }

.disclaimer { background: var(--card); }
.disclaimer p { color: var(--ink); max-width: 72ch; }

.foot { padding: 48px var(--gutter) 64px; border-top: 1px solid var(--line); }
.foot .micro { margin-bottom: 6px; }

/* ---------- Static mode: reduced motion, touch, or no GSAP ---------- */

.is-static .scene-stage {
  height: auto;
  aspect-ratio: 16 / 9;
  max-height: var(--pin-h);
}
.is-static .scene-trace .scene-stage { aspect-ratio: auto; max-height: none; padding: 64px 0; }
.is-static .trace-backdrop, .is-static .flatline { display: none; }
@media (max-width: 768px) {
  .is-static .scene:not(.scene-trace) .scene-stage { aspect-ratio: 750 / 1334; max-height: 90vh; }
}

@media (prefers-reduced-motion: reduce) {
  .packshot { will-change: auto; }
  .hero-title.is-split .w > span { animation: none; }
}
.block .kicker { color: var(--sage); }

/* ---------- Ported from the main landing ---------- */

section[id] { scroll-margin-top: 64px; }
.block-in > *, .block-in.two > * { min-width: 0; }
.block .note { color: var(--ink); font-size: 15px; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* Demo */
.demo-frame {
  margin-top: 16px;
  background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: clamp(16px, 2.4vw, 28px);
}
.demo-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 14px; margin-bottom: 20px; }
.demo-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim);
}
.demo-select {
  flex: 1 1 220px; min-width: 0;
  background: var(--deep); color: var(--ink);
  border: 1px solid var(--line-x); border-radius: 4px;
  padding: 11px 14px; cursor: pointer;
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 13px;
}
.demo-select:hover { border-color: rgba(255, 255, 255, 0.2); }
.demo-run { margin-top: 0; padding: 11px 22px; font-size: 14px; min-width: 110px; }
.demo-run.loading { opacity: 0.7; cursor: wait; }
.demo-monitor {
  position: relative;
  background: var(--deep); border: 1px solid var(--line-x); border-radius: 4px;
  overflow: hidden; margin-bottom: 16px;
}
.demo-monitor-top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--line);
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; color: var(--mute);
}
.demo-runlight { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--dim); transition: background 200ms, box-shadow 240ms; }
.demo-runlight.active { background: var(--sage); box-shadow: 0 0 12px var(--sage); }
.demo-svg { display: block; width: 100%; height: clamp(140px, 18vw, 200px); }
.demo-replay-msg {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -30%);
  margin: 0; max-width: 80%; text-align: center; font-size: 13px;
  color: var(--mute); background: rgba(5, 7, 9, 0.86);
  border: 1px solid var(--line-x); border-radius: 4px; padding: 10px 14px;
}
.demo-events-list { display: grid; gap: 10px; margin-bottom: 16px; }
.demo-event-card {
  display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center;
  background: var(--deep); border: 1px solid rgba(200, 86, 155, 0.45); border-left: 3px solid var(--pvc);
  border-radius: 4px; padding: 12px 16px;
  animation: event-pop 420ms cubic-bezier(0.23, 1, 0.32, 1);
}
.demo-event-time { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--pvc); }
.demo-event-title { color: var(--ink); font-size: 14px; font-weight: 500; }
.demo-event-sub { color: var(--mute); font-size: 12px; margin-top: 2px; }
.demo-event-tag {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.4); border-radius: 4px; padding: 3px 8px; white-space: nowrap;
}
.demo-events-empty { font-size: 13px; color: var(--dim); margin: 0; }
@keyframes event-pop {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.demo-output { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; transition: opacity 200ms; }
.demo-output.loading { opacity: 0.35; }
.demo-card {
  background: var(--deep); border: 1px solid var(--line); border-radius: 4px;
  padding: 12px; min-height: 86px; min-width: 0;
}
.dc-label { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; letter-spacing: 0.14em; color: var(--dim); margin-bottom: 6px; }
.dc-value { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 22px; color: var(--ink); line-height: 1.15; overflow-wrap: anywhere; }
.dc-unit { font-size: 11px; color: var(--mute); margin-top: 2px; }
.demo-card-verdict { background: linear-gradient(180deg, rgba(107, 191, 138, 0.08), var(--deep)); }
.demo-card-verdict .dc-value { color: var(--sage); font-size: 16px; }
.block .demo-footnote { font-size: 13px; color: var(--dim); margin-top: 14px; max-width: 80ch; }
@media (max-width: 700px) {
  .demo-output { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-card-verdict { grid-column: 1 / -1; }
  .demo-event-card { grid-template-columns: 1fr; gap: 6px; }
}

/* Pipeline */
.pipeline-grid { margin-top: 16px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.ppl { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 18px; }
.ppl-num { display: block; margin-bottom: 10px; font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; letter-spacing: 0.12em; color: var(--sage); }
.ppl b { display: block; font-weight: 500; font-size: 15px; margin-bottom: 6px; }
.ppl > span:last-child { font-size: 13px; color: var(--mute); line-height: 1.5; }
@media (max-width: 1023px) { .pipeline-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 700px) { .pipeline-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Anatomy */
.anatomy, .qt-figure, .poincare-figure {
  margin: 16px 0 0; background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: clamp(14px, 2.6vw, 32px);
}
.qt-figure, .poincare-figure { margin-top: 0; }
.pqrst-svg, .qt-svg, .poincare-svg { display: block; width: 100%; height: auto; }
.wave-label { font-family: 'JetBrains Mono', ui-monospace, monospace; font-weight: 500; font-size: 18px; fill: var(--ink); }
.iv-label { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; fill: var(--sage); letter-spacing: 0.04em; }
.iv-label.warm { fill: var(--amber); }
.iv-label.cool { fill: var(--steel); }
.scale-text { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; fill: var(--dim); }
.anatomy figcaption, .qt-figure figcaption, .poincare-figure figcaption { color: var(--dim); font-size: 13px; margin-top: 14px; max-width: 72ch; }
.wave-defs { margin-top: 24px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.wd { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 22px; }
.wd h4 { margin: 0 0 10px; font-size: 15px; font-weight: 500; color: var(--sage); }
.wd p { font-size: 14px; }
@media (max-width: 860px) { .wave-defs { grid-template-columns: 1fr; } }

/* Rhythm patterns */
.rhythms { margin-top: 16px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.rhythm { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 22px 22px 18px; }
.rhythm header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; margin-bottom: 14px; }
.rhythm h3 { font-size: 17px; }
.rhythm .tag {
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 4px; border: 1px solid currentColor;
}
.tag-good { color: var(--sage); }
.tag-warn { color: var(--amber); }
.tag-amber { color: var(--pac); }
.tag-bad { color: var(--red); }
.rhythm-svg { display: block; width: 100%; height: 120px; background: var(--deep); border-radius: 4px; margin-bottom: 14px; }
.rhythm-mark text { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; fill: var(--ink); }
.rhythm-mark .brk, .rhythm-mark .warn-t { fill: var(--amber); }
.rhythm-mark .amber-t { fill: var(--pac); }
.rhythm-mark .cool-t { fill: var(--steel); }
.rhythm-mark .bad-t { fill: var(--red); }
.block .rhythm-desc { font-size: 14px; margin-bottom: 6px; }
.rhythm-desc b { color: var(--ink); font-weight: 500; }
@media (max-width: 860px) { .rhythms { grid-template-columns: 1fr; } }

/* Algorithms, guardrails */
.algos { margin-top: 8px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.algos-featured { margin-top: 16px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.algo { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 22px; }
.algo-featured { border-color: var(--line-x); background: linear-gradient(180deg, rgba(107, 191, 138, 0.05), var(--card)); }
.algo header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 14px; margin-bottom: 10px; }
.algo h3 { font-size: 16px; }
.algo .unit { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sage); }
.block .algo p { font-size: 14px; margin-bottom: 8px; }
.algo p:last-child { margin-bottom: 0; }
.algo p b { color: var(--ink); font-weight: 500; }
.block .featured-lead { color: var(--ink); font-size: 15px; }
.algos-catalog-title {
  margin-top: 40px; font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim);
}
.block .algos-catalog-lead { font-size: 15px; max-width: 60ch; }
@media (max-width: 1023px) { .algos-featured { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .algos { grid-template-columns: 1fr; } }

/* Personas */
.personas { margin-top: 16px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.persona { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 24px; }
.persona header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.persona-icon {
  width: 36px; height: 36px; border-radius: 4px; display: grid; place-items: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 18px;
}
.persona h3 { font-size: 18px; }
.block .persona-lead { color: var(--ink); font-size: 15px; margin-bottom: 14px; }
.persona-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.persona-points li { position: relative; padding-left: 18px; font-size: 14px; color: var(--mute); }
.persona-points li::before { content: ''; position: absolute; left: 0; top: 11px; width: 8px; height: 1px; }
.persona-nerd .persona-icon { background: var(--sage); color: var(--bg); }
.persona-nerd .persona-points li::before { background: var(--sage); }
.persona-patient .persona-icon { background: var(--steel); color: var(--bg); }
.persona-patient .persona-points li::before { background: var(--steel); }
.persona-athlete .persona-icon { background: var(--amber); color: var(--bg); }
.persona-athlete .persona-points li::before { background: var(--amber); }
.block .footnote { font-size: 14px; color: var(--dim); max-width: 72ch; }
@media (max-width: 860px) { .personas { grid-template-columns: 1fr; } }

/* Limits and promises */
.bad, .good { list-style: none; margin: 0; padding: 0; }
.bad li, .good li { position: relative; padding: 14px 0 14px 28px; border-bottom: 1px solid var(--line); color: var(--mute); font-size: 15px; }
.bad li:last-child, .good li:last-child { border-bottom: 0; }
.bad li::before { content: ''; position: absolute; left: 0; top: 25px; width: 14px; height: 2px; background: var(--amber); }
.good li::before { content: ''; position: absolute; left: 2px; top: 21px; width: 8px; height: 8px; background: var(--sage); }
.block .disclaimer-note {
  margin-top: 24px; color: var(--ink); max-width: none;
  background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--amber);
  border-radius: 4px; padding: 20px 24px;
}

/* FAQ */
.faq { margin-top: 16px; max-width: 800px; display: grid; gap: 10px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 4px; }
.faq-item summary {
  position: relative; cursor: pointer; list-style: none;
  padding: 18px 52px 18px 22px; font-size: 17px; font-weight: 500;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  color: var(--sage); font-size: 22px; line-height: 1;
}
.faq-item[open] summary::after { content: '\2212'; }
.faq-item summary:hover { color: var(--sage); }
.block .faq-item p { padding: 0 22px 20px; max-width: 68ch; }

/* Download */
.download .block-in { justify-items: center; text-align: center; }
.download .lead { margin: 0 auto; }
.btn.big { padding: 16px 28px; font-size: 17px; }

@media (prefers-reduced-motion: reduce) {
  .demo-event-card { animation: none; }
}

.hero-title.is-split ~ * { animation: fade-up 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.45s both; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Report scene: what your doctor gets ---------- */

.report-scene { border-top: 1px solid var(--line); background: var(--bg); }
.rs-stage {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(80px, 12vw, 160px) var(--gutter);
  display: grid; gap: 40px;
}
.rs-copy { display: grid; gap: 16px; align-content: start; }
.rs-title { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.1; max-width: 18ch; }
.rs-lead { color: var(--mute); font-size: 17px; max-width: 46ch; }
.rs-captions, .rs-counter { display: none; }
.rs-cta { justify-self: start; }
.rs-pages { list-style: none; margin: 0; padding: 0; display: grid; gap: 40px; }
.rs-page { margin: 0; display: grid; gap: 14px; justify-items: start; }
.rs-sheet {
  display: block; width: 100%; max-width: 560px; height: auto; aspect-ratio: 910 / 1287;
  background: #fff; border-radius: 2px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), 0 24px 60px rgba(0, 0, 0, 0.55);
}
.rs-page figcaption { display: flex; gap: 12px; align-items: baseline; color: var(--mute); font-size: 15px; max-width: 560px; }
.rs-num {
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px;
  letter-spacing: 0.08em; color: var(--sage); flex: none;
}

/* Pinned variant: set by story.js only when the scene is scrubbed. */
.report-scene.rs-pinned .rs-stage {
  height: var(--pin-h); padding-top: calc(64px + 3vh); padding-bottom: 4vh;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center; column-gap: clamp(32px, 5vw, 80px);
}
.report-scene.rs-pinned .rs-captions {
  display: grid; list-style: none; margin: 8px 0 0; padding: 0; min-height: 5.2em;
}
.report-scene.rs-pinned .rs-captions li {
  grid-area: 1 / 1; display: flex; gap: 12px; align-items: baseline;
  color: var(--ink); font-size: 19px; line-height: 1.45; max-width: 40ch;
}
.report-scene.rs-pinned .rs-counter {
  display: flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--dim);
}
.rs-counter i { display: block; width: 28px; height: 2px; background: var(--line-x); }
.rs-counter i.on { background: var(--sage); }
.report-scene.rs-pinned .rs-pages {
  position: relative; height: 100%; max-height: calc(var(--pin-h) - 64px - 7vh);
  display: block; perspective: 1400px;
}
.report-scene.rs-pinned .rs-page {
  position: absolute; top: 50%; left: 50%;
  height: 100%; aspect-ratio: 910 / 1287; max-width: 100%;
  transform: translate(-50%, -50%); will-change: transform;
}
.report-scene.rs-pinned .rs-sheet { max-width: none; width: 100%; height: 100%; }
.report-scene.rs-pinned .rs-page figcaption { display: none; }
.rs-shade {
  position: absolute; inset: 0; background: var(--bg); opacity: 0; pointer-events: none; border-radius: 2px;
}
@media (max-width: 1023px) {
  .report-scene.rs-pinned .rs-stage { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .report-scene.rs-pinned .rs-captions li { font-size: 17px; }
}

/* ---------- Holter page ---------- */

.chapters a[aria-current="page"] { color: var(--sage); }
.holter-hero { padding-top: calc(64px + clamp(48px, 9vw, 120px)); border-top: 0; }
.holter-hero h1 { font-size: clamp(36px, 4.2vw + 12px, 64px); line-height: 1.05; letter-spacing: -0.035em; max-width: 16ch; }
.holter-facts { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.holter-facts li { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 20px 22px; display: grid; gap: 6px; }
.holter-facts b { font-weight: 500; color: var(--ink); font-size: 16px; }
.holter-facts span { color: var(--mute); font-size: 14px; }
@media (max-width: 860px) { .holter-facts { grid-template-columns: 1fr; } }

.hr-gallery { display: grid; gap: 20px; margin-top: 16px; }
.hr-card {
  display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(20px, 3vw, 40px);
  background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: clamp(16px, 2.4vw, 28px);
}
.hr-thumb {
  display: block; padding: 0; border: 0; background: #fff; cursor: zoom-in; border-radius: 2px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5); align-self: start;
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.hr-thumb:hover { transform: translateY(-3px) rotate(-0.6deg); }
.hr-thumb img { display: block; width: 100%; height: auto; border-radius: 2px; }
.hr-body { display: grid; gap: 12px; align-content: start; }
.hr-title { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.15; }
.block .hr-summary { max-width: 62ch; }
.hr-highlights li { padding: 10px 0; font-size: 15px; }
.hr-highlights li:last-child { border-bottom: 0; }
.hr-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hr-actions .btn { margin-top: 4px; }
@media (max-width: 700px) {
  .hr-card { grid-template-columns: 1fr; }
  .hr-thumb { max-width: 240px; }
}

.hv-open { overflow: hidden; }
.hv {
  width: min(980px, 100vw - 32px); max-width: none; height: calc(100vh - 32px); max-height: none;
  height: calc(100dvh - 32px);
  margin: auto; padding: 0; border: 1px solid var(--line-x); border-radius: 4px;
  background: var(--surface); color: var(--ink);
  display: none; flex-direction: column; overflow: hidden;
}
.hv[open] { display: flex; }
.hv::backdrop { background: rgba(5, 7, 9, 0.82); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.hv-bar {
  display: flex; align-items: center; gap: 12px 16px; flex-wrap: wrap;
  padding: 14px clamp(14px, 2.4vw, 24px); border-bottom: 1px solid var(--line); background: var(--card);
}
.hv-head { flex: 1 1 240px; min-width: 0; display: grid; gap: 2px; }
.hv-title { font-size: 18px; line-height: 1.25; }
.hv-dl { margin-top: 0; padding: 9px 16px; font-size: 14px; }
.hv-close {
  font: inherit; font-size: 14px; cursor: pointer; color: var(--ink); background: transparent;
  border: 1px solid var(--line-x); border-radius: 4px; padding: 9px 14px;
}
.hv-close:hover { border-color: var(--mute); }
.hv-scroll { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: clamp(14px, 3vw, 32px); }
.hv-pages { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; justify-items: center; }
.hv-page figure { margin: 0; display: grid; gap: 10px; }
.hv-page img {
  display: block; width: 100%; max-width: 820px; height: auto; aspect-ratio: 910 / 1287;
  background: #fff; border-radius: 2px; box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}
.hv-num { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; letter-spacing: 0.06em; color: var(--dim); text-align: center; }